What powers ndc.edu.hk?
Last seen Oct 2026 · 33 technologies across 15 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Feb 2023
Authentication
NextAuth.js
since Oct 2023
CDN
Cloudflare
since Sep 2020
Unpkg
since Dec 2022
CMS
Font scripts
Font Awesome
since Sep 2020
Google Font API
since Sep 2020
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
PaaS
Vercel
since Oct 2023
Performance
Cloudflare Rocket Loader
since Oct 2022
Priority Hints
since Oct 2023
Programming languages
Security
HSTS
since Oct 2023
UI frameworks
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.60 / 10 · ranked #5,688,907 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare
- Weight: 53.2 MB · 169 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.51.149, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 17,215,734, 6 hosts
- Verified with: Apple Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ndc.edu.hk | 20 |
| www.ndc.edu.hk | 19 |
| ndccloud.ndc.edu.hk | 16 |